a metal tool about 6 in. (150 mm) long and from 2 to 41/2 in. (50’to 100 mm) wide and having shallow, medium, or deep bits (cutting edges) ranging from 3/is in. to 3/a in. (5 to 20 mm) or deeper used to cut a joint partly through fresh concrete.

jointing scheme

a detailed architectural drawing showing the dimensions, locations and configurations of stone units and joints on the structure.

journeyman

an experienced reliable worker who has learned his trade and works for another person.

jumper

in ashlar patterns, a piece of stone of higher rise than adjacent stones which is used to end a horizontal mortar joint at the point where it is set.